The Beru Ignition Coil Kit - 135151 is a comprehensive set of products designed to service a car's ignition system. It includes a number of essential components that work together to ensure smooth and efficient functioning of the ignition system. The kit contains ignition coils, which are responsible for converting the battery's low voltage into the high voltage needed to create a spark in the spark plugs. It also includes spark plug wires, which transmit the high voltage from the ignition coils to the spark plugs. Additionally, the kit contains spark plugs, which are essential for igniting the air-fuel mixture in the engine. All of these components work together to ensure that the car's engine starts easily and runs smoothly. This kit is a convenient and reliable solution for maintaining a car's ignition system.